Here are the picture and questions. I'm looking for a full explanation, please. I'll also give you brainiest. Thanks

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

When only separate discreet points are graphed it is called?